||1987 Postdoctoral fellow, in the department of Molecular Biology, Genentech Inc, South San Fransisco.
1988-90 Postdoctoral fellow, in the Hormone Research Institute, U.C.S.F., San Fransisco.
2000- Present: Senior Lecturer, Endocrinology and Metabolism
1994-1999 Lecturer, Endocrinology and Metabolism- Hadassah-Hebrew University Med. Ctr. Jerusalem
06/1990-93 Scientist, Lautenberg Center for Cancer and General Immunology. Hadassah Medical School, Jerusalem.